CVE-2021-35565

Published: 20 October 2021

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Oracle GraalVM Enterprise Edition. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

From the Ubuntu Security Team

Tristen Hayfield discovered that the HTTP server implementation in OpenJDK did not properly handle TLS session close in some situations. A remote attacker could possibly use this to cause a denial of service (application infinite loop).

Status

Severity score breakdown

References

• https://www.oracle.com/security-alerts/cpuoct2021.html
• https://ubuntu.com/security/notices/USN-5202-1
• https://www.cve.org/CVERecord?id=CVE-2021-35565
• NVD
• Launchpad
• Debian